#661FB3#661FB3

#661FB3 is a dark, highly saturated violet. Relative luminance 0.071; OKLCH L 44.0% C 0.210 H 298.7°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#661FB3
RGB	rgb(102, 31, 179)
HSL	hsl(269, 70%, 41%)
HSV	hsv(269, 83%, 70%)
CMYK	cmyk(43%, 82.7%, 0%, 29.8%)
CIE-LAB	lab(31.94, 58.07, -64.37)
CIE-LCH	lch(31.94, 86.69, 312.05°)
OKLab	oklab(44.01% 0.1007 -0.1843)
OKLCH	oklch(44.01% 0.21 298.7)
XYZ	xyz(14.1041, 7.0592, 43.2586)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661FB3 #6CB31F

analogous

#1F22B3 #661FB3 #B01FB3

triadic

#661FB3 #B3661F #1FB366

tetradic

#661FB3 #B31F22 #6CB31F #1FB3B0

square

#661FB3 #B31F22 #6CB31F #1FB3B0

split-complementary

#661FB3 #B3B01F #22B31F

monochromatic

#2B0D4B #48167F #661FB3 #8433DC #A468E5

Accessibility & contrast

On white

8.71

#661FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#661FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661FB3

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661FB3	#FFFFFF	#000000	##FFFFFF
##661FB3	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB7

Deuteranopia (green-blind)

#004AB0

Tritanopia (blue-blind)

#524A6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #661fb3;
/* rgb */ color: rgb(102, 31, 179);
/* oklch */ color: oklch(44.0% 0.210 298.7);

Tailwind

colors: {
  custom: {
    50: '#9965cb',
    500: '#661fb3',
    950: '#000000',
  },
}

SCSS

$custom: #661fb3;
$custom-light: #9965cb;
$custom-dark: #000000;

JSON

{
  "hex": "#661fb3",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 179
  },
  "hsl": {
    "h": 268.784,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44008,
    "c": 0.21004,
    "h": 298.7
  },
  "luminance": 0.07059
}

Semantic roles & 50–950 ramp

primary

#661FB3

secondary

#99CA64

accent

#ED3B98

background

#FAF6FC

surface

#F3EBF9

border

#CDC6D2

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #661FB3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →